pyrolignic
Học thuậtThân thiện
Definition
Adjective 1. Relating to a substance produced by heating wood: Describes substances, particularly liquids or chemicals, obtained through the process of heating wood, especially by destructive distillation (heating in the absence of air).
Usage
The adjective pyrolignic is used technically to describe the origin or properties of products derived from the destructive distillation of wood. * The factory specialized in the production of pyrolignic acid, a key ingredient in old photographic processes. * This pyrolignic liquid contains a mixture of methanol, acetic acid, and various tars.
Advanced Usage
- Historical/Industrial Context: The term is primarily used in historical, industrial, or chemical contexts to describe products like pyroligneous acid (wood vinegar), which was once a major source of acetic acid, methanol, and other chemicals.
- In the 19th century, pyrolignic products were essential for preserving meat and in chemical manufacturing.
Variants and Related Words
- Pyroligneous (adj): This is a more common variant with the same meaning. It is often used interchangeably with "pyrolignic," particularly in the term "pyroligneous acid."
- The distinct smoky smell comes from pyroligneous compounds in the liquid.
Synonyms
- Wood-distilled: (Descriptive phrase) Produced by distilling wood.
- From wood vinegar: (Descriptive phrase) Originating from pyroligneous acid.
Related Terms (Conceptual)
- Destructive distillation: (n) The chemical process of decomposing organic material by heating it in the absence of air, which produces pyrolignic substances from wood.
- Pyrolysis: (n) The general thermal decomposition of materials at elevated temperatures in an inert atmosphere, which includes the process that creates pyrolignic materials.
Adjective
- of a substance produced by the effect of heat on wood, especially by destructive distillation